| 摘要 |
PROBLEM TO BE SOLVED: To prevent bending of a circuit board built in a portable terminal device without disturbing its miniaturization and by a simple constitution. SOLUTION: In the portable terminal board, electronic components are mounted inside an enclosure, and the circuit board is built in. The circuit board comprises a component which is mounted in an empty space between the electronic components and which is used to prevent the circuit board from being bent.
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